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Mognavalli

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1^st lesson free

Maths

The average of 4 numbers is 20. If one number is removed, the average of the remaining three numbers becomes 18. What number was removed? a] 12 b] 18

Maths

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About Mognavalli

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The average of 4 numbers is 20. If one number is removed, the average of the remaining three numbers becomes 18. What number was removed? a] 12 b] 18

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About Mognavalli

About the lesson

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free lessons

online

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The average of 4 numbers is 20. If one number is removed, the average of the remaining three numbers becomes 18. What number was removed? a] 12 b] 18

Lesson location

About Mognavalli

About the lesson

Rates

Rate

Pack rates

free lessons

online

Similar Maths teachers in Port Klang

*ib/igcse/gcse/university level math exam bootcamp* _taught by certified educator with 10+ years experience/ proven track record globally.

Ibdp math aa hl and sl and ai hl and sl, cambridge as and a levels, jc1, jc2, secondary and primary math - by a retired teacher who worked in various schools in multiple cities

A retired university physics professor with a phd in theoretical physics from usa. experienced in teaching physics to graduate, undergraduate, engineering, pre-medical and preparatory year students

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Math mentor | ib math aa/ai hl | h2 math | ip & jc specialist | iit guwahati & indian statistical institute alumnus | author of math by rishabh series and mathematics elevate series | olympiad smo & o

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ib/igcse/gcse/university level math exam bootcamp _taught by certified educator with 10+ years experience/ proven track record globally.